wreath, and advent calendars all originated here. >> there are lots of regional variations, things like to bring the christmas gift. is it a time for fasting or feasting? and which is the most important day for the festive season? >> we went to the christmas market and asked around. >> germans love their christmas markets, christmas cakes, and christmas cheer. if you ask two germans what day is christmas, you may not get the same answer. >> when it's christmas? it is really on the 24th, i would say. it starts on christmas eve. >> on the actual holiday, the 25th. >> the 24th of december. >> when it smells like cinnamon and feels like it. >> many germans celebrate on christmas eve rather than waiting for christmas day.